Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D271436 | Sewer cleaning machine | Larry F. Babb, Walter J. Noveske, Paul B. Sweeney | 1983-11-15 |
| D266665 | Cassette tape recorder or the like | Michael Cridland | 1982-10-26 |
| D266503 | Tape recording machine | Michael Cridland | 1982-10-12 |
| D263467 | Tape recording machine | Michael Cridland | 1982-03-23 |
| D260258 | Powered collator | Elsio J. Loos, Raymond H. Van Wagener, Paul B. Sweeney | 1981-08-18 |
| D260133 | Letter opener | John J. Power, Raymond H. Van Wagener, John C. Costello | 1981-08-11 |
| D259876 | Tape recording machine | Michael Cridland | 1981-07-14 |
| D254706 | Power-driven stapler | Edward E. Barrett, Albert Lensky, John C. Costello | 1980-04-15 |